A213510 The sequence N(n) arising in the enumeration of balanced ternary trees.

1, 3, 5, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 38, 42, 46, 50, 54, 58, 62, 66, 70, 74, 78, 82, 86, 90, 94, 98, 102, 106, 110, 114, 118, 122, 126, 130, 134, 138, 142, 147, 152, 157, 162, 167, 172, 177, 182, 187, 192

Offset

1,2

Comments

See Cha (2012) for the precise definition.

Conjecture: partial sums of A064099. - Sean A. Irvine, Jul 14 2022

Links

Table of n, a(n) for n=1..50.

Sung-Hyuk Cha, On Integer Sequences Derived from Balanced k-ary Trees, Applied Mathematics in Electrical and Computer Engineering, 2012.

Sung-Hyuk Cha, On Complete and Size Balanced k-ary Tree Integer Sequences, International Journal of Applied Mathematics and Informatics, Issue 2, Volume 6, 2012, pp. 67-75. - From N. J. A. Sloane, Dec 24 2012

Crossrefs

Sequence in context: A298862 A198409 A330072 * A130257 A276498 A186148

Adjacent sequences: A213507 A213508 A213509 * A213511 A213512 A213513

Keyword

nonn

Author

N. J. A. Sloane, Jun 12 2012

Status

approved